UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9FdLen3X/EFX4FvwhzA2zmLe75TXxzC6bR2kCE0utDE=' 
WHERE 
  key_id = '900d693cafe6a71f98f8e58812d932ef5cdd42afffaa9680c9997562741758a7' 
  AND (
    token = '9FdLen3X/EFX4FvwhzA2zmLe75TXxzC6bR2kCE0utDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )